ISRC HKI190507642
Verified recording
HKI190507642 is “Poland [Mazurek Dabrowskiego (Dombrowski's Mazurka), "Poland has not yet succumbed…"]” by Peter Breiner,
registered on the CopyrightChains blockchain with CopyrightID
0x8cb2b579c5f964613c0c00a6f619d9aa98943c0a72f12008e7c8f75c705e84a5 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190507642.
Recording identifiers
- ISRC
- HKI190507642
- Title
- Poland [Mazurek Dabrowskiego (Dombrowski's Mazurka), "Poland has not yet succumbed…"]
- Artist
- Peter Breiner
- CopyrightID (CopyrightChains transaction hash)
0x8cb2b579c5f964613c0c00a6f619d9aa98943c0a72f12008e7c8f75c705e84a5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:9ef868c61558f236dbe0c442d898462cfae38f24f8d5ec75062d2d6370c0d704- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190507642
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Poland [Mazurek Dabrowskiego (Dombrowski's Mazurka), "Poland has not yet succumbed…"] · Machine-readable JSON-LD